How to Make Silicone Ear Prostheses

Written by andrea griffith
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How to Make Silicone Ear Prostheses
Make a prosthetic ear out of your own ear. (ear image by Connfetti from

School plays, Halloween and other functions may require you to create a prosthetic ear. To make this as real as possible, you can make it yourself out of silicone. Using a few common items -- including alginate silicone -- you can create a "negative" imprint. The negative imprint will serve as a mould. Once the mould is made, you can use silicon, or a wide variety of other materials, to make a positive imprint. That positive imprint becomes the prosthetic ear.

Skill level:

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Things you need

  • Swim cap
  • Margarine tub
  • Scissors
  • Ear plugs
  • Alginate silicone
  • Silicone moulding compound

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  1. 1

    Place a swim cap over your head to keep your hair away from the project.

  2. 2

    Cut a hole in the bottom of a margarine tub with a pair of sharp scissors. The hole should be just big enough for your ear to slip through.

  3. 3

    Place an ear plug into the ear to prevent the alginate silicone from entering the ear canal.

  4. 4

    Lay -- or have someone lay -- on their side. Slide the ear facing up through the hole in the bottom of the margarine tub.

  5. 5

    Pour enough alginate silicone into the margarine tub to completely cover the ear. Allow several minutes for the mould to harden.

  6. 6

    Remove the tub from the ear, then peel the mould out of the tub. This mould is the negative imprint.

  7. 7

    Pour a silicone moulding compound -- sometimes called silicone rubber flesh -- into the negative imprint. Allow the silicone moulding compound to harden. You can also manipulate the moulding compound to create a pointed effect -- like hobbit ears.

  8. 8

    Peel the silicone moulding compound away from the negative ear imprint to reveal the silicon ear prostheses. Cut away any moulding compound that extends past the ear.

  9. 9

    The prosthetic ear can then be attached to the head over the actual ear or by using skin adhesive. You can also use craft paint to make the ear more lifelike with colour.

Tips and warnings

  • All of these materials can be found at arts and crafts stores, Halloween stores, or speciality make-up shops.

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